Contribution opportunity: use Python 3.12 managed dict and weakref
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- Dominant language
- Rust
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- Forks
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Description
In Python 3.12 type flags were added to make the interpreter automatically handle __dict__ and weakrefs for classes: https://docs.python.org/3.12/c-api/typeobj.html#c.Py_TPFLAGS_MANAGED_DICT
We should be able to switch to these instead of using out own dict_offset and weaklist_offset machinery. It's probably better for performance, and in the long run this would be a nice simplification to the codebase.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating PyO3's existing dict_offset and weaklist_offset machinery, then read the Python 3.12 Py_TPFLAGS_MANAGED_DICT documentation linked in the issue. Determine the affected internals and tests before replacing the offsets; done means the managed flags cover the existing behavior without regressions and the old machinery is removed or no longer needed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, rust
- Domain
- devtools
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100